Finding the Fourth Proportional to 2,117,383,725.18, 2,921,973,415.02 and 1,164,744,002.09
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Solution
The fourth proportional to 2,117,383,725.18, 2,921,973,415.02 and 1,164,744,002.09 is: 1,607,337,852.33
Step by Step Solution
- Step 1: Write the proportion equation
2,117,383,725.18 : 2,921,973,415.02 = 1,164,744,002.09 : x - Step 2: Convert to fraction form
2,117,383,725.18/2,921,973,415.02 = 1,164,744,002.09/x - Step 3: Cross multiply
2,117,383,725.18x = 2,921,973,415.02 × 1,164,744,002.09 - Step 4: Simplify right side
2,117,383,725.18x = 3,403,351,009,396,369,408 - Step 5: Solve for x
x = 3,403,351,009,396,369,408/2,117,383,725.18 - Step 6: Final answer
x = 1,607,337,852.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.